The value of diffusion-weighted imaging for prediction of lasting deficit in acute stroke: an analysis of 134 patients with acute neurologic deficits
| Autor: | J. I. Wiener, J. R. Moore, J. S. Lewin, J. T. King |
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| Rok vydání: | 2001 |
| Předmět: |
Adult
Male medicine.medical_specialty Neurology Sensitivity and Specificity Central nervous system disease Predictive Value of Tests medicine Image Processing Computer-Assisted Humans Radiology Nuclear Medicine and imaging cardiovascular diseases Prospective Studies Stroke Neuroradiology Aged Aged 80 and over medicine.diagnostic_test business.industry Magnetic resonance imaging Middle Aged medicine.disease Prognosis Magnetic Resonance Imaging Surgery Predictive value of tests Female Neurology (clinical) Radiology Neurosurgery Nervous System Diseases Cardiology and Cardiovascular Medicine business Diffusion MRI |
| Zdroj: | Neuroradiology. 43(6) |
| ISSN: | 0028-3940 |
| Popis: | Acute stroke is one of the three major causes of death and disability in the United States. Now that new, and possibly effective therapy is becoming available, accurate, rapid diagnosis is important to provide timely treatment, while avoiding the risk of complications from unnecessary intervention. Our objective was to test the hypothesis that use of echo-planar (EPI) diffusion-weighted imaging (DWI) is more accurate than conventional T2 weighted MRI in predicting progression to stroke in patients with acute ischemic neurologic deficits. We studied 134 patients presenting with acute neurologic deficits to a community hospital emergency room with both conventional MRI and DWI within 72 h of the onset of the acute deficit. We found DWI significantly more sensitive to permanent neurologic deficit at discharge (sensitivity 0.81) than conventional MRI (sensitivity 0.41). When available, DWI should be considered for routine use in patients being imaged for acute stroke. |
| Databáze: | OpenAIRE |
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